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[目的]了解江苏省疟疾的流行现状及其影响因素,掌握疟疾流行规律和趋势。[方法]根据疟疾发病情况,选择近年来发病率较高的睢宁县官山镇、铜山县棠张镇、泗洪县天岗湖镇、盱眙县仇集镇和宜兴市张渚镇作为疟疾监测点调查居民疟疾发病情况、疟疾症状及防蚊措施、按蚊密度及叮人率等相关影响因素。[结果]2008年共调查5677户,19142人,蚊帐拥有率为33.95%;蚊帐使用率为50.35%。血检10049人,平均血检率为4.48%,检出疟原虫阳性17人,平均阳性率为0.17%。[结论]中华按蚊密度明显增高及对菊酯类灭蚊剂产生抗性,是江苏省淮北地区出现疟疾疫情反复的因素之一。
[Objective] To understand the prevalence of malaria and its influencing factors in Jiangsu Province and to grasp the laws and trends of malaria epidemics. [Method] According to the incidence of malaria, we selected Guanshan Town of Suining County, Tangzhang Town of Tongshan County, Tianganghu Town of Sihong County, Qiuji Town of Qionglai County and Zhangzhu Town of Yixing City with high morbidity in recent years as malaria surveillance To investigate the incidence of malaria in residents, malaria symptoms and anti-mosquito measures, mosquito density and bite rate and other related factors. [Results] In 2008, a total of 5677 households were surveyed, 19,142 people, the possession rate of mosquito nets was 33.95%; and the utilization rate of mosquito nets was 50.35%. 10049 blood tests, the average blood test was 4.48%, 17 were positive for Plasmodium, the average positive rate was 0.17%. [Conclusion] The density of Anopheles sinensis was significantly increased and the resistance to pyrethroid insecticides was developed. It is one of the factors causing repeated outbreaks of malaria in Huaibei area of Jiangsu Province.